Carrier 42QFD048D8S Service Manual page 75

Displaying code
T1
T2
T3
T4
TP
FT
Fr
dl
Uo
Sn
--
Pr
Lr
ir
HU
TT
--
--
--
oT
□Approved
□More Proof needed
□Rejected
Parameter Checking information by Remote controller
Displaying code meaning
Room temperature
Indoor coil temperature
Outdoor coil temperature
Ambient temperature
Discharge temperature
Targeted Frequency
Actual Frequency
Compressor current
Outdoor AC voltage
Indoor capacity test
Reserve
Outdoor fan speed
EXV opening steps
Indoor fan speed
Indoor humidity
Adjusted setting temperature
Reserve
Reserve
Reserve
GA algorithm frequency
Approval from Manufacturer
 Troubleshooting 7
Display value

Display value meaning